
Gnome calculator
Calculator for the GNOME Desktop Environment, formerly known as gcalc (and gcalctool CLI).
18 Alternatives To Gnome calculator
Calculator by Xlythe
Calculator is a simple 4 function calculator.

Insect
High precision scientific calculator with full support for physical units.

Microsoft Mathematics
Microsoft Mathematics is a desktop graphing calculator that can help you visualize and see…
Multi Share Calculator
Share Anything Proportionally

MyScript Calculator
Perform mathematical operations naturally using your handwriting.
NaSC
Do maths like a normal person.
Numi
Numi Organic Tea is a premium, Fair Trade sustainable company specializing in unique and innovative blends of green, black, white, oolong teas, Pu-erh, rooibos, herbal and Flowering Tea™.
OpalCalc
OpalCalc is a brand new type of calculator for the PC.

PCalc
PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody…

Qalculate!
Qalculate! is a multiplatform multi-purpose desktop calculator.
RealCalc Scientific Calculator
RealCalc Scientific Calculator

SpeedCrunch
SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .
Symbolab Math Solver
Step by step calculator
WolframAlpha
WolframAlpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.
errProof
The website has a lot of useful and unique tools.
fxSolver
fxSolver is an free online math solver, equation library, graphing calculator and science/engineering problem helper. To get started, add some formulas, fill in any input variables and press “Solve.”
galculator
galculator is an open source scientific calculator with a modern GUI and a wide range of operation modes. It supports algebraic, reverse polish (RPN) and paper mode notations.
handyCalc
Solve things in your hand.